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Lecture will be online, I will post a zoom link on Piazza
10min before the start of the class.
Lectures: Tue&Thu 15-17 (Tue: HG F 7, Thu: HG G
3).
Office Hours: Afonso's office
hours posted weekly on calendar in here.
Federica and Christoph office hours: Tuesday's 2-3pm, alternating between the
two:
March 17th: HG G 22.1 (Federica), March 24th: HG G 21.3
(Christoph), and continuing with this pattern.
Teaching Assistants: Federica
Cecchetto and Christoph
Glanzer
Piazza page available here.
Announcements:
- Extra Problem Set available here
- There is now a full set of lecture notes here: CLN.
See also this Book Draft: BD
- the lecture notes are essentially Chapters 2-10 of
the Book Draft.
- Please sign up to the piazza page here
for announcements. When feasible use Piazza to ask
questions, myself and the TAs will make an effort to
answer questions quickly on Piazza.
You
can find more info at ETH
VVZ.
Open problems will be presented at
the end of most lectures.
I am here to help: If you have any question, want to
discuss a problem, or brainstorm about any research idea,
just stop by office hours, write me on piazza, or email me
and we'll schedule a time to meet.
Feedback: Also, if you have any comment or feedback
on the class (it's going too fast, too slow, you want me to
cover more of something, or less of something else, etc)
please let me know, submit a comment to this
google form (or in person, or through email). Having
direct feedback from you is the best way for me to try give
lectures that you like! (keep in mind that I don't know
who sent me the comment or feedback and there is no way
for me to answer, for questions use piazza or email,
piazza tends to receive replies faster).
Weekly Syllabus (we
skipped what I originally called ``Chapter 7'', the
Chapters are now numbered sequentially 2 through 10 in CLN.):
- Feb 18: Introduction to the course and Syllabus
- Feb 20: Probability and Surprises in High Dimensions.
Chapter 2 of CLN
or BD. Also Section 4.1. of 10L42P.
- Feb 25: Continuation. Chapter 2 of CLN
or BD. Basics of Linear Algebra. Chapter 3
of CLN
or BD. Also Section 0.3. of 10L42P.
- Feb 27: Principal Component Analysis. Chapter 3 of CLN
or BD. Also Sections 1.1. and 1.2 of 10L42P.
- Mar 03: Marcenko-Pastus and BBP Transition. Chapter 3
of CLN.
Also Section 1.3 of 10L42P.
- Mar 05: Continuation of Marcenko-Pastus and BBP
Transition. Some open problems in Section 1 of 10L42P.
- Mar 10: Page Rank. Chapter 4 of CLN
or BD, see also here.
- Mar 12: Introduction to Spectral Graph Theory, Chapter
4 of CLN
or BD. See recording below. Also Section 2 of 10L42P
- Mar 17: Normalized Cut, Spectral Clustering, Cheeger's
inequality. End of Chapter 4 of CLN
or BD. Also Section 3 of 10L42P
- Mar 19: Diffusion Maps. Nonlinear dimension reduction.
Chapter 5 of CLN
or BD. Also Section 2 of 10L42P
- Mar 24: Semi-Supervised Learning. Chapter 5 of CLN
or BD. See recording below. Also Section 2 of 10L42P
- Mar 31: Gaussian Concentration and Matrix
Concentration Chapter 6 of CLN
or BD (also Sections 4.2 and 4.4 of 10L42P)
- Apr 2: Continuation Matrix Concentration Chapter 6 of
CLN
or BD (Sections 4.5 and 4.6 of 10L42P)
- Apr 7: End of Matrix Concentration Chapter 6 of CLN
or BD (rest of section 4.6 of 10L42P).
(very) Brief start of Max-Cut Chapter 7 of CLN
or BD (Section 7 of 10L42P)
- Apr 9: Max-Cut and Approximation Algorithms Chapter 7
of CLN
or BD (Section 8 of 10L42P)
- Apr 21, 23, and 28: Community Detection in the SBM
Chapter 8 of CLN
or BD (Section 9 of 10L42P)
- Apr 30: Exercise session for Problem Set 2 (see
Problem Set below)
- May 5, 7,12: Dimension reduction via random
projections Chapter 9 of CLN
or BD (Section 5 of 10L42P)
- May 17: Compressed Sensing Chapter 10 of CLN
or BD (Section 6 of 10L42P)
- May 19: Exercise session for Problem Set 3 (see
Problem Set below)
- May 26: Compressed Sensing Chapter 10 of CLN
or BD (Section 6 of 10L42P)
- May 28: Compressed Sensing Chapter 10 of CLN
or BD (Section 6 of 10L42P)
and final remarks
Lecture Recordings (``redos'', some done from home due to
the COVID-19 Pandemic):
Lecture Notes:
- Course Lecture Notes: CLN
(contains some material that was not
covered in lecture, but mentioned and is natural
further reading; note that Chapter numbering is now
sequential, 2 through 10.)
- Book Draft: BD The Lecture notes correspond, essentially,
to Chapters 2-10 of the book draft. My co-authors and
I will keep updating the book draft, adding material,
improving figures, fixing typos, etc. Many thanks
for all your comments on the notes/book!
Problem
Sets: (solutions will be
posted on Piazza)
Open
Problems:
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